APA
Hawking S., . (1989). <A> Brief history of time: from Big Bang to Black Holes. London: Bantam Books.
Chicago
Hawking Stephen, . 1989. <A> Brief history of time: from Big Bang to Black Holes. London: Bantam Books.
Harvard
Hawking S., . (1989). <A> Brief history of time: from Big Bang to Black Holes. London: Bantam Books.
MLA
Hawking Stephen, . <A> Brief history of time: from Big Bang to Black Holes. London: Bantam Books. 1989.